Datejust Evolution The Rolex Datejust II offers a contemporary take on the classic Datejust, with a larger case size and modern proportions. It retains the models signature date display and timeless design, while delivering a more assertive wrist presence. Precise and Elegant This 2014 reference features a 41mm case and is powered by the calibre 3136 automatic movement with a 48-hour power reserve. The Oyster bracelet is fitted with an Easylink clasp for added comfort. A smooth bezel enhances its clean, modern aesthetic.